Alternatives to IBM Quantum
The top Quantum Computing companies similar to IBM Quantum, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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PsiQuantum70Quantum ComputingPalo Alto, United States$3.6BBuilding a fault-tolerant quantum computer using photonics and silicon manufacturing.
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Quantinuum66Quantum ComputingBroomfield, United States$1.2BQuantum computing company focused on building fault-tolerant quantum computers and quantum software.
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Oxford Quantum Circuits55Quantum ComputingOxford, United Kingdom$430.0MBuilding and deploying quantum computers.
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Quantum Motion49Quantum ComputingLondon, United Kingdom$181.0MSilicon transistor-based quantum computing.
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Develops quantum computing systems for solving complex problems.
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IonQ41Quantum ComputingCollege Park, United States$10.0MIonQ is a leader in quantum computing, developing powerful quantum computers for various industries.
- Website Quantumflux8824Quantum Computing
Quantumflux88 is a startup focused on developing advanced quantum computing solutions and applications.
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Phi-Coherent .24Quantum ComputingSan Francisco, United StatesDeep-tech research company building foundational technologies from first principles, including compression, post-quantum cryptography, quantum computing simulation, and AGI.
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QuTech8Quantum ComputingDelft, NetherlandsA Dutch research institute focused on developing a quantum computer and quantum internet.
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QUANTUMSOURCE LABS8Quantum ComputingPalo Alto, United StatesQuantum computing hardware and software solutions for advanced research and development.
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QuantumLeap AI2Quantum ComputingPalo Alto, United StatesNext-generation quantum computing platform for AI model training.
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Strangeworks20Quantum ComputingAustin, United StatesStrangeworks provides a quantum computing software platform that helps developers and researchers build, run, and manage quantum algorithms.
- Website Quantum Developments8Quantum Computing
Quantum Developments is a startup focused on developing quantum computing solutions.
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Quantum Chromatics8Quantum ComputingQuantum Chromatics is developing a novel quantum computing architecture for robust and scalable quantum computations.
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QuantWare62Quantum ComputingDelft, Netherlands$162.0MQuantum processor company developing and scaling modular quantum processors.
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Quantum Art62Quantum ComputingTel Aviv, Israel$141.1MCommercial quantum computing systems for complex problem-solving.
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IQM Quantum Computers60Quantum ComputingEspoo, Finland$532.9MDesigns and builds quantum computers for research and industry applications.
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IQM58Quantum ComputingEspoo, Finland$516.0MQuantum computer hardware and software developer for various industries.
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QEDMA56Quantum ComputingTel Aviv, Israel$40.7MIsraeli startup developing quantum noise resilience software to improve quantum computing.
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Infleqtion55Quantum ComputingLondon, United Kingdom$200.0MQuantum technology company developing advanced sensors, navigation, and AI solutions.
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IQM Quantum54Quantum ComputingEspoo, Finland$852.4MFinnish quantum computer manufacturer building fault-tolerant quantum computers for various industries.
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Quantum computing company developing superconducting quantum chips.
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Iceberg Quantum52Quantum ComputingCambridge, United States$8.0MDesigns advanced quantum computing architectures using LDPC codes for fault-tolerant systems.
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Quantum Brilliance52Quantum ComputingCanberra, Australia$23.0MDevelops advanced quantum computing solutions for enterprise and government applications.
- ATAtlantic Quantum49Quantum ComputingBoston, United States$12.0M
Startup focused on quantum computing hardware and software solutions.
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Riverlane49Quantum ComputingCambridge, United Kingdom$93.9MRiverlane develops quantum error correction technology to make quantum computers useful sooner.
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Universal Quantum47Quantum ComputingBristol, United Kingdom$25.0MDeveloping a fault-tolerant quantum computer using a novel approach to qubit control.
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Developing the world's first quantum energy chip.
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Quantum Machines68Quantum ComputingTel Aviv, Israel$293.0MBuilds the Quantum Orchestration Platform (QOP) to accelerate quantum computing development and deployment.
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OpenAI86Artificial IntelligenceSan Francisco, United States$190.6BOpenAI is an AI research and deployment company dedicated to ensuring that artificial general intelligence benefits all of humanity.
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D-Wave51Quantum ComputingBurnaby, CanadaPioneering quantum computing company offering annealing and gate-model systems, software, and cloud services.
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Quobly64Quantum ComputingGrenoble, France$341.5MDeveloping advanced silicon-based quantum computing hardware for scalable and manufacturable quantum processors.
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Atom Computing63Quantum ComputingBoulder, USA$428.0MDeveloping fault-tolerant quantum computers.
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NVIDIA Corp83Professional VisualizationSanta Clara, United States$4.1BGlobal technology company renowned for its GPUs, SoCs, and APIs, driving advancements in AI, gaming, and high-performance computing.
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Quantum Source Labs63Quantum ComputingPalo Alto, United States$78.5MDeveloping practical photonic quantum computers using a novel photon-atom gate architecture.
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Pasqal61Quantum ComputingPalaiseau, France$233.0MPasqal develops quantum computing solutions for complex scientific and industrial problems.
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eleQtron60Quantum ComputingSiegen, Germany$83.0MTrapped-ion quantum computing technology for industrial scaling.
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Rigetti Computing59Quantum ComputingBerkeley, United States$178.0MDesigns, manufactures, and deploys superconducting quantum computers and processors.
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Vacua37Quantum ComputingDeveloping a quantum processor for fault-tolerant topological quantum computing and quantum memory.
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Cerebras Systems70AI ChipSunnyvale, United States$1.7BIndustry-leading AI infrastructure for ultra-fast AI inference and training powered by Wafer-Scale Engines.
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QuEra Computing50Quantum ComputingBoston, USA$14.0MBuilding the world's most powerful quantum computers.
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Nord Quantique Inc.50Quantum ComputingSherbrooke, Canada$30.0MQuantum computing startup developing a quantum processor and software stack.
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OrangeQS50Quantum ComputingDelft, Netherlands$44.6MQuantum chip performance testing solutions.
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Lightelligence69AI HardwareWaltham, United States$220.7MDevelops optical chips and software for AI computing, accelerating computations with light.
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Velaura AI68SemiconductorsSanta Clara, United States$110.0MVelaura AI develops ultra-low power silicon and software technologies for AI infrastructure, focusing on energy efficiency for data centers and physical AI applications.
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GF (GlobalFoundries)67SemiconductorMalta, United States$3.3BA leading semiconductor manufacturer providing advanced chip manufacturing services.
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Groq66AI HardwareMountain View, United States$2.4BGroq develops a high-performance AI inference chip and compiler for ultra-low latency AI applications.
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SiFive66AI ChipSan Jose, United States$774.9MDesigns and licenses RISC-V based custom processor cores and IP for diverse applications.
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eSilicon66SemiconductorSan Jose, United States$100.0MCustom silicon design and manufacturing for advanced networking and data center applications.
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Habana Labs66ComputingTel Aviv, Israel$105.0MDevelops AI and Deep Learning processors for data centers and cloud environments.
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Next Silicon65ComputingTel Aviv, Israel$235.0MRethinking compute architectures for future processing needs with novel VLSI designs.
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Peak Quantum44Quantum ComputingMunich, Germany$2.2MDeveloping error-resilient superconducting quantum processors with intrinsic hardware-level error correction.
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Q-Factor43Quantum ComputingTel Aviv, Israel$24.0MQ-Factor is a quantum computing startup developing a neutral atom-based quantum computer architecture designed to scale to one million qubits and beyond.
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Neurophos63AI ChipSan Jose, United States$124.2MNeurophos develops photonic AI chips (OPUs) for extreme efficiency and performance in AI compute.
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Quantum Transistors43Quantum ComputingPalo Alto, United States$19.0MDeveloping solid-state quantum processors to bring quantum computing to enterprise servers.
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Efficient Computer62SemiconductorsPalo Alto, United States$60.0MDevelops low-energy AI processors with spatial dataflow architecture for extended device operation.
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NeuroBlade62SemiconductorTel Aviv, Israel$110.5MSemiconductor hardware company accelerating data analytics query processing speed and scale.
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Expedera61AI HardwareSanta Clara, United States$38.0MExpedera provides scalable Neural Processing Unit (NPU) semiconductor IP for edge AI inference.
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Ventana Micro Systems61AI ChipCupertino, United States$70.4MDeveloper of high-performance RISC-V CPU cores and chiplets for data centers and AI.
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